diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ee0628c..ce302df 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["2.5", "2.6", "2.7", "3.0", "3.1", "head", "truffleruby-head"]
+        ruby: ["2.5", "2.6", "2.7", "3.0", "3.1", "3.2", "head", "truffleruby-head"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
@@ -39,7 +39,7 @@ jobs:
         with:
           ruby-version: ${{matrix.ruby}}
           bundler-cache: true
-          rubygems: 3.2.3 # for ruby 2.5
+          rubygems: 3.3.26 # for ruby 2.5
       - run: bundle exec rake test
 
   # borrowed from nokogiri/.github/workflows/downstream.yml